Add Supermicro OEM Chassis object (#368)

This adds an OEM-specific Chassis that enables accessing the OEM
properties of a chassis.

Signed-off-by: Sean McGinnis <[email protected]>

oem/smc/chassis.go

@@ -0,0 +1,48 @@
+//
+// SPDX-License-Identifier: BSD-3-Clause
+//
+
+package smc
+
+import (
+	"encoding/json"
+
+	"github.com/stmcginnis/gofish/redfish"
+)
+
+// Chassis is a Supermicro OEM instance of a Chassis.
+type Chassis struct {
+	redfish.Chassis
+	BoardSerialNumber string
+	GUID              string
+	BoardID           string
+}
+
+// FromChassis converts a standard Chassis object to the OEM implementation.
+func FromChassis(chassis *redfish.Chassis) (*Chassis, error) {
+	cs := Chassis{
+		Chassis: *chassis,
+	}
+
+	var t struct {
+		Oem struct {
+			Supermicro struct {
+				BoardSerialNumber string `json:"BoardSerialNumber"`
+				GUID              string `json:"GUID"`
+				BoardID           string `json:"BoardID"`
+			} `json:"Supermicro"`
+		} `json:"Oem"`
+	}
+
+	err := json.Unmarshal(chassis.RawData, &t)
+	if err != nil {
+		return nil, err
+	}
+
+	cs.BoardSerialNumber = t.Oem.Supermicro.BoardSerialNumber
+	cs.GUID = t.Oem.Supermicro.GUID
+	cs.BoardID = t.Oem.Supermicro.BoardID
+
+	cs.SetClient(chassis.GetClient())
+	return &cs, nil
+}

oem/smc/chassis_test.go

@@ -0,0 +1,116 @@
+//
+// SPDX-License-Identifier: BSD-3-Clause
+//
+
+package smc
+
+import (
+	"encoding/json"
+	"strings"
+	"testing"
+
+	"github.com/stmcginnis/gofish/redfish"
+)
+
+var chassisBody = `{
+  "@odata.type": "#Chassis.v1_14_0.Chassis",
+  "@odata.id": "/redfish/v1/Chassis/1",
+  "Id": "1",
+  "Name": "Computer System Chassis",
+  "ChassisType": "RackMount",
+  "Manufacturer": "Supermicro",
+  "Model": "X13DEG-OAD",
+  "SerialNumber": "C8000MN18AC0000",
+  "PartNumber": "CSE-GP801TS-R000NPF",
+  "AssetTag": null,
+  "IndicatorLED": "Off",
+  "LocationIndicatorActive": false,
+  "MaxPowerWatts": 18000,
+  "PowerState": "On",
+  "Status": {
+    "State": "Enabled",
+    "Health": "OK",
+    "HealthRollup": "OK"
+  },
+  "Power": {
+    "@odata.id": "/redfish/v1/Chassis/1/Power"
+  },
+  "PCIeDevices": {
+    "@odata.id": "/redfish/v1/Chassis/1/PCIeDevices"
+  },
+  "Thermal": {
+    "@odata.id": "/redfish/v1/Chassis/1/Thermal"
+  },
+  "NetworkAdapters": {
+    "@odata.id": "/redfish/v1/Chassis/1/NetworkAdapters"
+  },
+  "PCIeSlots": {
+    "@odata.id": "/redfish/v1/Chassis/1/PCIeSlots"
+  },
+  "Sensors": {
+    "@odata.id": "/redfish/v1/Chassis/1/Sensors"
+  },
+  "Memory": {
+    "@odata.id": "/redfish/v1/Systems/1/Memory"
+  },
+  "Links": {
+    "ComputerSystems": [
+      {
+        "@odata.id": "/redfish/v1/Systems/1"
+      }
+    ],
+    "ManagedBy": [
+      {
+        "@odata.id": "/redfish/v1/Managers/1"
+      }
+    ],
+    "ManagersInChassis": [
+      {
+        "@odata.id": "/redfish/v1/Managers/1"
+      }
+    ]
+  },
+  "Oem": {
+    "Supermicro": {
+      "@odata.type": "#SmcChassisExtensions.v1_0_0.Chassis",
+      "BoardSerialNumber": "HM241S008000",
+      "GUID": "35353031-4D53-0000-0000-E49200000000",
+      "BoardID": "0x1d14"
+    }
+  },
+  "@odata.etag": "\"41b7a1190aa686f7ac4cf7abad27a8a2\""
+}`
+
+// TestChassis tests the parsing of Chassis objects.
+func TestChassis(t *testing.T) {
+	var cs redfish.Chassis
+	err := json.NewDecoder(strings.NewReader(chassisBody)).Decode(&cs)
+	if err != nil {
+		t.Errorf("Error decoding JSON: %s", err)
+	}
+
+	result, err := FromChassis(&cs)
+	if err != nil {
+		t.Errorf("Error converting Redfish Chassis to SMC Chassis: %s", err)
+	}
+
+	if result.ID != "1" {
+		t.Errorf("Received invalid ID: %s", result.ID)
+	}
+
+	if result.Name != "Computer System Chassis" {
+		t.Errorf("Received invalid name: %s", result.Name)
+	}
+
+	if result.BoardSerialNumber != "HM241S008000" {
+		t.Errorf("Unexpected board serial number: %s", result.BoardSerialNumber)
+	}
+
+	if result.GUID != "35353031-4D53-0000-0000-E49200000000" {
+		t.Errorf("Unexpected GUID: %s", result.GUID)
+	}
+
+	if result.BoardID != "0x1d14" {
+		t.Errorf("Unexpected board ID: %s", result.BoardID)
+	}
+}

redfish/chassis.go

@@ -359,7 +359,7 @@ type Chassis struct {
 	// millimeters, as specified by the manufacturer.
 	WidthMm float64
 	// rawData holds the original serialized JSON so we can compare updates.
-	rawData []byte
+	RawData []byte
 
 	// Deprecated properties
 
@@ -561,7 +561,7 @@ func (chassis *Chassis) UnmarshalJSON(b []byte) error {
 	}
 
 	// This is a read/write object, so we need to save the raw object data for later
-	chassis.rawData = b
+	chassis.RawData = b
 
 	return nil
 }
@@ -571,7 +571,7 @@ func (chassis *Chassis) Update() error {
 	// Get a representation of the object's original state so we can find what
 	// to update.
 	original := new(Chassis)
-	err := original.UnmarshalJSON(chassis.rawData)
+	err := original.UnmarshalJSON(chassis.RawData)
 	if err != nil {
 		return err
 	}